Home / 255,913.58-353,046.48-148,421.36

Finding the Fourth Proportional to 255,913.58, 353,046.48 and 148,421.36

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Solution

The fourth proportional to 255,913.58, 353,046.48 and 148,421.36 is: 204,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,913.58 : 353,046.48 = 148,421.36 : x
  2. Step 2: Convert to fraction form
    255,913.58/353,046.48 = 148,421.36/x
  3. Step 3: Cross multiply
    255,913.58x = 353,046.48 × 148,421.36
  4. Step 4: Simplify right side
    255,913.58x = 52,399,638,704.81
  5. Step 5: Solve for x
    x = 52,399,638,704.81/255,913.58
  6. Step 6: Final answer
    x = 204,755.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.